SWAGELOCK 907941 Dial Water Pressure Gauge 0-400 100MM 1/4

( Brand: Swagelock ), ( Manufacturer Part Number: 907941 ), ( Part Type: Pressure Gauge ), ( Face Diameter: 4 In ), ( Connection Diameter: 1/4 In ), ( Mounting Position: Side/bottom Mount ), ( Country Of Origin: Germany ), ( Maximum Pressure: 400 Psi )

Review SWAGELOCK Gauge Pressure 0-400 Psi 100mm Dial 1/4 Inch

The **Swagelock 907941 Gauge Pressure Indicator** is a precision-engineered, high-performance instrument designed for demanding industrial, laboratory, and process control applications where accuracy, reliability, and durability are paramount. This robust pressure gauge features a **100mm (4-inch) dial face**, providing ample visibility for easy reading even from a distance, making it ideal for environments where quick, clear monitoring of system pressures is critical. The gauge is calibrated to measure pressures within a **0-400 psi (pounds per square inch) range**, ensuring it can handle moderate to high-pressure systems commonly found in hydraulic, pneumatic, and fluid transfer applications. Built with Swagelock s signature quality, this gauge incorporates a **1/4-inch NPT (National Pipe Thread) connection**, allowing for seamless integration into existing piping systems with standard fittings, while its compact yet sturdy construction minimizes installation space requirements.

Constructed from high-grade materials, the 907941 gauge is designed to withstand harsh operating conditions, including exposure to moisture, vibration, and temperature fluctuations, making it well-suited for both indoor and outdoor use. The **aluminum housing** provides a balance of strength and weight, while the **durable glass dial** ensures clarity and longevity, even in environments where dust or debris may accumulate. The gauge s **needle mechanism** is precision-balanced for smooth, responsive operation, reducing the risk of false readings or mechanical fatigue over time. Additionally, the **black-and-white dial with bold, high-contrast markings** enhances readability, allowing operators to quickly assess pressure levels without strain.

Beyond its functional excellence, the Swagelock 907941 gauge embodies the brand s commitment to precision engineering and long-term reliability. Its **sealed construction** protects internal components from contamination, ensuring consistent performance across extended use cycles. Whether deployed in a manufacturing plant, research facility, or field application, this gauge delivers dependable pressure monitoring with minimal maintenance requirements. For industries where precision matters such as oil and gas, chemical processing, HVAC systems, or automotive testing this gauge serves as a trusted tool for maintaining operational integrity and safety. With its combination of accuracy, durability, and ease of use, the Swagelock 907941 stands as a versatile solution for professionals who demand nothing less than excellence in their instrumentation.

### **Pros and Cons of buying a Swagelock 907941 Gauge (0-400 PSI, 100mm Dial, 1/4" Connection)**

1. **High-Quality Construction** Swagelock is a well-known brand in industrial instrumentation, known for durable, corrosion-resistant materials (likely stainless steel or brass) that ensure long-term reliability in harsh environments.

2. **Wide Pressure Range (0-400 PSI)** Suitable for applications requiring moderate to high-pressure monitoring, such as hydraulic systems, compressed air, or industrial fluid lines.

3. **Large 100mm Dial** The oversized dial improves readability, making it easier to quickly assess pressure levels, which is beneficial in fast-paced or high-stakes operations.

4. **Standard 1/4" NPT Connection** Compatible with most standard fittings, reducing the need for adapters and simplifying installation in existing systems.

5. **Accurate and Reliable** Swagelock gauges are engineered for precision, minimizing measurement errors in critical applications.

6. **Easy Maintenance** The design allows for straightforward calibration and replacement of internal components if needed.

7. **Industrial-Grade Durability** Built to withstand vibrations, temperature fluctuations, and exposure to moisture or chemicals, making it suitable for outdoor or harsh indoor environments.

8. **Brand Reputation** Swagelock is trusted in industries like oil & gas, manufacturing, and HVAC, suggesting consistent performance and after-sales support.

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1. **Higher Upfront Cost** Compared to generic or lower-end brands, Swagelock gauges are more expensive, which may be a barrier for budget-conscious buyers.

2. **Potential Overkill for Low-Pressure Applications** If the gauge is only needed for occasional or low-pressure use (e.g., simple air tools), a more affordable option might suffice.

3. **Limited Customization** The fixed 0-400 PSI range may not be ideal if future needs require a different pressure scale (though Swagelock offers other models for varying ranges).

4. **Weight and Bulk** The 100mm dial adds size and weight, which could be cumbersome in space-constrained applications or portable setups.

5. **Maintenance Requirements** Like all mechanical gauges, it may require periodic calibration to ensure accuracy, adding slight long-term costs.

6. **Potential for Overuse** If the gauge is only used intermittently, its robust build may feel unnecessary, leading to underutilization of its capabilities.

7. **Availability of Alternatives** Other reputable brands (e.g., Ashcroft, Wika, or local industrial suppliers) may offer similar performance at slightly lower prices, depending on the application.

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### **Conclusion**

The **Swagelock 907941 gauge** is an excellent choice for **industrial, high-reliability applications** where accuracy, durability, and readability are critical. Its large dial and robust construction make it ideal for environments where quick, clear pressure readings are essential such as in manufacturing, HVAC systems, or compressed air networks. However, if the application is **low-pressure, infrequent, or budget-sensitive**, a more economical alternative might be preferable.

### **Recommendation**

- You need a **durable, high-accuracy gauge** for **moderate to high-pressure industrial use**.

- Readability is a priority (e.g., large dial helps in monitoring).

- You value **brand reliability** and long-term performance over cost savings.

- The **1/4" connection** matches your existing system.

- Your budget is tight, and you can find a **similarly rated gauge from another brand** (e.g., Ashcroft or Wika) at a lower price.

- The gauge will be used **infrequently or in low-pressure applications**, where a simpler model would suffice.

- You require **custom pressure ranges** not covered by this model.

For most **serious industrial applications**, the Swagelock gauge is a **strong, long-term investment** worth the cost. For casual or low-demand use, weighing the price against needs is advisable.

Details:

Pressure Range: to 400 psi and 27 bar. Key Specifications model /Standard: EN 837-1. The gauge features a dual-scale display measuring pressure in both bar red scale, 27 and psi black 400. Design: It is a Glycerin-filled gauge, which helps dampen the effects of vibration and pulsation.

NEW has no box, Swagelock EN 837-1 industrial pressure gauge.

part #: 907941 prices

• $50.00-$60.00

specifications pressureswitchiz:

• brand: Swagelock
• mpn: 907941
• part type: Pressure Gauge
• face diameter: 4 In
• connection diameter: 1/4 In
• mounting position: Side/bottom Mount
• country of origin: Germany
• maximum pressure: 400 Psi

shipping pressureswitchiz:

• type: Calculated
• carrier: USPS
• service: USPS Ground Advantage
• transit: 11-14 Days
• cost: $8.10
• class: Standard

seller pressureswitchiz:

• # reviews: 19
• city: Redondo Beach, California
• rating: 100.0%

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• policy: No Returns

general pressureswitchiz:

• condition: New Open box
• Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Air Pressure Gauges

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offer pressureswitchiz:

• sold: 0
• quantity: 3
• best offers: True
• options: Ship-to-home
• availability: In Stock
• started: February 19, 2026